Home / 1,371,722.47-2,058,860.38-698,307.91

Finding the Fourth Proportional to 1,371,722.47, 2,058,860.38 and 698,307.91

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Solution

The fourth proportional to 1,371,722.47, 2,058,860.38 and 698,307.91 is: 1,048,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,722.47 : 2,058,860.38 = 698,307.91 : x
  2. Step 2: Convert to fraction form
    1,371,722.47/2,058,860.38 = 698,307.91/x
  3. Step 3: Cross multiply
    1,371,722.47x = 2,058,860.38 × 698,307.91
  4. Step 4: Simplify right side
    1,371,722.47x = 1,437,718,489,146.56
  5. Step 5: Solve for x
    x = 1,437,718,489,146.56/1,371,722.47
  6. Step 6: Final answer
    x = 1,048,111.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.